Allow collision checking to provide collision parameters to ray casting method

- Added tests for MockBoat collision direction and distance

#story[1100]

racevisionGame/src/main/java/mock/model/MockBoat.java

@@ -207,15 +207,23 @@ public class MockBoat extends Boat implements Collider {
     }
 
     @Override
-    public boolean rayCast(MockBoat boat) {
+    public boolean rayCast(MockBoat boat, Collision collision) {
         double distance = GPSCoordinate.calculateDistanceMeters(boat.getCurrentPosition(), this.getCurrentPosition());
-        Bearing bearing = Bearing.fromAzimuth(GPSCoordinate.calculateAzimuth(boat.getCurrentPosition(), this.getCurrentPosition()));
-        if(distance < 100 && boat != this) {
-            onCollisionEnter(new Collision(bearing, distance));
+        Bearing bearing = GPSCoordinate.calculateBearing(boat.getCurrentPosition(), this.getCurrentPosition());
+
+        if(distance <= collision.getDistance() && (int)bearing.degrees() == (int)collision.getBearing().degrees()) {
+            onCollisionEnter(collision);
             return true;
         } else return false;
     }
 
+    @Override
+    public boolean rayCast(MockBoat boat) {
+        if(boat != this) {
+            return rayCast(boat, new Collision(Bearing.fromDegrees(0), 100));
+        } else return false;
+    }
+
     @Override
     public void onCollisionEnter(Collision e) {
         System.out.println(e.getBearing().degrees());

racevisionGame/src/main/java/mock/model/collider/Collider.java

@@ -7,7 +7,15 @@ import mock.model.MockBoat;
  */
 public interface Collider {
     /**
-     * Indicates whether a ray cast from a boat to a target collider triggers a collision.
+     * Indicates whether a ray cast from a boat to a target collider triggers a collision with the specified parameters.
+     * @param boat potentially colliding with target
+     * @param collision parameters of valid collision
+     * @return whether or not a collision has occurred
+     */
+    boolean rayCast(MockBoat boat, Collision collision);
+
+    /**
+     * Indicates whether a ray cast from a boat to a target collider triggers a collision. Parameters are set by the object.
      * @param boat potentially colliding with target
      * @return whether or not a collision has occurred
      */

racevisionGame/src/main/java/mock/model/collider/ColliderRegistry.java

@@ -34,6 +34,11 @@ public class ColliderRegistry implements Collider {
         for(Collider collider: colliders) addCollider(collider);
     }
 
+    @Override
+    public boolean rayCast(MockBoat boat, Collision collision) {
+        return false;
+    }
+
     @Override
     public boolean rayCast(MockBoat boat) {
         for(Collider collider: colliders) {

racevisionGame/src/main/java/shared/model/CompoundMark.java

@@ -5,11 +5,6 @@ import mock.model.MockBoat;
 import mock.model.collider.Collider;
 import mock.model.collider.Collision;
 
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-
 /**
  * Represents a compound mark -  that is, either one or two individual marks which form a single compound mark.
  */
@@ -151,16 +146,25 @@ public class CompoundMark implements Collider {
     }
 
     @Override
-    public boolean rayCast(MockBoat boat) {
+    public boolean rayCast(MockBoat boat, Collision collision) {
         GPSCoordinate position = boat.getCurrentPosition();
         double distance = GPSCoordinate.calculateDistanceMeters(position, closestMark(position).getPosition());
-        Bearing bearing = Bearing.fromAzimuth(GPSCoordinate.calculateAzimuth(position, closestMark(position).getPosition()));
-        if(distance < 100) {
-            onCollisionEnter(new Collision(bearing, distance));
+        // Compass direction of collider
+        Bearing absolute = Bearing.fromAzimuth(GPSCoordinate.calculateAzimuth(position, closestMark(position).getPosition()));
+        // Direction of collider from heading
+        Bearing relative = Bearing.fromDegrees(absolute.degrees() - boat.getBearing().degrees());
+
+        if(distance <= collision.getDistance() && (int)relative.degrees() == (int)collision.getBearing().degrees()) {
+            onCollisionEnter(collision);
             return true;
         } else return false;
     }
 
+    @Override
+    public boolean rayCast(MockBoat boat) {
+        return rayCast(boat, new Collision(Bearing.fromDegrees(0), 100));
+    }
+
     @Override
     public void onCollisionEnter(Collision e) {
         System.out.println(e.getBearing().degrees());